Merge pull request #83 from developit/microbundle-0.12

Move to Microbundle 0.12

Author: developit

package.json

@@ -36,7 +36,7 @@
     "eslint": "^6.8.0",
     "eslint-config-developit": "^1.1.1",
     "karmatic": "^1.3.1",
-    "microbundle": "^0.11.0",
+    "microbundle": "^0.12.0-next.8",
     "webpack": "^4.39.2"
   },
   "dependencies": {